About “Sunan al-Kubra”
Also known as Al-Sunan al-Kabir, this is a prominent and massive multi-volume Hadith book compiled, edited, and catalogued by Imam Al-Bayhaqi. It is described as the largest hadith collection in Sunni Islam. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
More by Aḥmad ibn al-Ḥusayn Bayhaqī
Some summaries adapted from Wikipedia, CC BY-SA 4.0.